Effectiveness of Seed Processing Machinery on Seed Quality Improvement in Paddy (Oryza sativa L.)
Journal: The Journal of AgriSearch (JAS) (Vol.3, No. 3)Publication Date: 2016-09-19
Authors : RABINDRA KUMAR;
Page : 187-190
Keywords : Paddy seed; processing machinery; seed quality;
Abstract
Aseries of seed-processing machines were used to evaluate seed quality improvement in paddy during the Kharifseason 2013-14. The processing machines proved an efficient tool in producing quality seeds. The consistent and higher seed quality (germination 91.67% and physical purity 99.83%) could be achieved by efficient use of processing machines. The product and separate (reject) from individual machines were analysed to evaluate machine efficiency in separating the seed components as well as impurities from the harvested lot. The air-screen machines were found effective in removing dead seeds, whereas specific gravity separator removed abnormal seeds significantly. Gradual increase in seed quality was recorded with decrease in recovery in the processing line. Seed loss in reject port was always associated with handling of seed lots by each machine and observed only 1.30%. Specific gravity separator was found essential for the seed lot of medium-term storage or for the buffer stocking
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